Best of, compared on specs
Best power station for home backup
Our pick is the EcoFlow DELTA Pro 3 for a furnace fan, fridge, Wi-Fi and lights through a 12-hour storm night: about 13 h calculated for a maker list price of $2,799, checked . No station met every preference, so this is the fallback; the note below says why. Hours come from maker specs, not our own testing.
Yes. EcoFlow DELTA Pro 3 runs a furnace fan, fridge, Wi-Fi and lights through a 12-hour storm night for about 13 h. calculated from maker specs, .
Links go to the maker's store. RunTimeFit participates in the eBay Partner Network. RunTimeFit may earn a commission from qualifying eBay purchases made through links on this site, at no extra cost to you. Disclosure.
Goal: 12 h. Hours use maker inverter efficiency where published, otherwise the 0.85 estimate, and leave out idle draw the maker doesn't publish. Stations shown out of stock or with availability not shown are skipped. How we pick.
Why this pick falls back: No in-stock station in our data lasts 20% longer than this plan, so this is the cheapest one with a published warranty of at least two years and a published surge rating that lasts the plan itself.
Ranked
Links go to the maker's store. RunTimeFit participates in the eBay Partner Network. RunTimeFit may earn a commission from qualifying eBay purchases made through links on this site, at no extra cost to you. Disclosure.
- EcoFlow DELTA Pro 3: about 13 h, 4,096 Wh, $2,799. 5-year warranty, 8,000 W surge. OutdoorGearLab measured 3,790 Wh of usable AC output third-party test. Check price for EcoFlow DELTA Pro 3
- Goal Zero Yeti PRO 4000: about 13 h, 3,993.6 Wh, $3,999.95. 5-year warranty, 7,200 W surge. No third-party capacity test found yet. Check price for Goal Zero Yeti PRO 4000
- Anker SOLIX F3800 Plus: about 13 h, 3,840 Wh, $2,599.99. 5-year warranty, no published surge rating. No third-party capacity test found yet. Check price for Anker SOLIX F3800 Plus
Ranking rule: among in-stock stations that run, start and last the whole plan, first those with 20% spare runtime plus a published warranty of at least two years and a published surge rating, then those with spare runtime only, then the rest; cheapest first within each group. Stations the maker store showed out of stock, or with availability not shown, are left out.
The plan behind the ranking
| Device | Qty | Hours a day | Running | Starting | Source |
|---|---|---|---|---|---|
| Furnace blower fan (1/2 HP) | 1 | 8 | 550 W | 1,200 W | Champion wattage chart |
| Refrigerator (full-size) | 1 | On the whole time | 275 W | 1,000 W | ENERGY STAR data + Champion chart · cycles about 19% of the time calculated |
| Internet router/modem | 1 | On the whole time | 15 W | No extra | Champion wattage chart |
| LED light bulb | 3 | 6 | 11.5 W | No extra | Champion wattage chart |
Together: 875 W running, about 1,600 W while the largest motor starts, and 6,219 Wh a day. Over the 12-hour goal that is 3,110 Wh at the outlet calculated.
Every station that fits
| Station | Hours calculated | Starting headroom | List price |
|---|---|---|---|
| Anker SOLIX F3800 Plus | 13 h | 73% | $2,599.99 |
| EcoFlow DELTA Pro 3 | 13 h | 80% | $2,799 |
| Goal Zero Yeti PRO 4000 | 13 h | 78% | $3,999.95 |
3 of 43 stations in our data fit, counting out-of-stock and unpriced ones; this table shows the cheapest in-stock ones.